# -*- coding: utf-8 -*-
# 一些条件判断类的实例
age = 3
if age >= 18:
    print('your age is', age)
    print('adult')
else:
    print('your age is', age)
    print('teenager')



#计算BIM
height = 1.75
weight = 80.5
bmi=weight/height**2
print(int(bmi))